ICSE Class 10 Computer Applications Question Paper 2024 with Solutions

About this paper

This is the official ICSE Class 10 Computer Applications paper for the 2024 examination, paper code T24 861. It carries 100 marks and allows two hours of writing after fifteen minutes of reading time. Section A (40 marks) is compulsory: Question 1 has twenty one-mark multiple-choice items, including a picture-based question on classes and objects and an assertion–reason item, and Question 2 has ten two-mark parts on expressions, a two-dimensional array, boxing and unboxing, constructor overloading and fixing a compile error. In Section B candidates write Java programs for any four of six questions, such as a DTDC courier billing class, EvenPal numbers, a diagonal array check, selection sort of pin codes and validating a Gmail ID. This copy has the questions only.

Exam

ICSE Class 10

Subject

Computer Applications

Year

2024

Paper code

T24 861

Maximum marks

100

Time allowed

2 hours + 15 min reading

Questions

8

Pages

11

Answers included

No, questions only

Paper pattern

• Section A

  40 marks

  Compulsory: Question 1 has twenty one-mark multiple-choice items (one assertion–reason); Question 2 has ten two-mark short-answer and output questions

• Section B

  60 marks

  Questions 3–8, attempt any four; each asks for a Java program

Topics covered

• Classes, objects and constructors
• Access specifiers
• Type casting, wrapper classes and boxing
• Character, String and Math methods
• Conditional statements and loops
• Pure methods and call by reference
• One- and two-dimensional arrays
• Selection sort
• Function overloading
• Number and string programs

Questions from this paper

1. Differentiate between boxing and unboxing.
2. To which package do the Character and Boolean classes belong? Write the statement to access the Scanner class in a program.
3. DTDC charges Rs. 800 per kg for the first 5 kg, Rs. 700 per kg for the next 5 kg and Rs. 500 per kg above 10 kg, plus Rs. 1500 for international parcels. Define a class courier to accept the details, calculate the bill and print it.
4. Define a class to accept a number and check whether it is an EvenPal number, that is, a palindrome whose sum of digits is even (for example, 121).
5. Define a class to accept a 4 × 4 integer array and check whether it is a DIAGONAL array, in which the sums of the left and right diagonal elements are equal.
6. Define a class to accept a Gmail ID and check its validity: it must contain @, a dot, "gmail" and "com".